TERMIUM Plus®

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AQUADAG COATING [1 record]

Record 1 1994-05-12

English

Subject field(s)
  • Vacuum Tubes (Electronics)
DEF

Trademark of Acheson Industries, Inc. A conductive graphite coating on the inner side walls of some cathode-ray tubes.

OBS

It serves as an electrostatic shield or as a postdeflection and an accelerating anode. Also applied to outer walls and grounded; here it serves, with the inner coating, as a capacitor to filter the applied high voltage.

French

Domaine(s)
  • Tubes et lampes (Électronique)
DEF

Solution colloïdale de graphite pouvant servir à enduire des isolants pour les rendre plus ou moins conducteurs (intérieur de tubes cathodiques - fuite d'anode).

CONT

L'intérieur de la partie tronconique est recouvert d'un graphitage interne porté à la même tension que l'anode terminale.

OBS

Cette solution sert aussi à provoquer des pertes volontaires dans certains isolants (atténuateurs).

OBS

aquadag : employé comme nom, ce mot est vraisemblablement masculin; cependant, il reste encore à le confirmer.

Spanish

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